| 2603.00 | 000 | Copper ores and concentrates | 
| 2608.00 | 000 | Zinc ores and concentrates | 
| 2609.00 | 000 | Tin ores and concentrates | 
| 2610.00 | 000 | Chromium ores and concentrates | 
| 2611.00 | 000 | Tungsten ores and concentrates | 
| 26.12 |  | Uranium or thorium ores and concentrates | 
| 2612.10 | 000 | Uranium ores and concentrates | 
| 2612.20 | 000 | Thorium ores and concentrates | 
| 26.13 |  | Molybdenum ores and concentrates | 
| 2614.00 |  | Titanium ores and concentrates | 
| 26.15 |  | Niobium, tantalum, vanadium or zirconium ores and concentrates | 
| 2615.10 | 000 | Zirconium ores and concentrates | 
| 26.16 |  | Precious metal ores and concentrates | 
| 2616.10 | 000 | Silver ores and concentrates | 
| 26.17 |  | Other ores and concentrates | 
| 2617.10 | 000 | Antimony ores and concentrates | 
| 2618.00 | 000 | Granulated slag (slag sand) from the manufacture of iron or steel | 
| 2619.00 | 000 | Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel | 
| 26.20 |  | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds | 
| 26.20 |  | Containing mainly zinc | 
| 2620.11 | 000 | Hard zinc spelter | 
| 2620.19 |  | Containing mainly lead | 
| 2620.21 | 000 | Leaded gasoline sludges and leaded anti-knock compound sludges |